The extraperitoneal space is the portion of the abdomen and pelvis which does not lie within the peritoneum.
It includes: Retroperitoneal space, situated posteriorly to the peritoneum Preperitoneal space, situated anteriorly to the peritoneum Retropubic space, deep to the pubic bone Retro-inguinal space, deep to the inguinal ligament
The space in the pelvis is divided into the following components: prevesical space perivesical space perirectal space
See also Retropubic space Rectovesical pouch Vesicouterine pouch Rectouterine pouch (Pouch of Douglas)
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